Electrodes for Li-ion batteries: From high-voltage LiCoO2 to Co-reduced/Co-free layered oxides with potential anodes

Song, Luting; Chu, Weiguo

doi:10.1007/s12274-023-6239-4

Nano Res.

2023

DOI: 10.1007/s12274-023-6239-4

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Electrodes for Li-ion batteries: From high-voltage LiCoO2 to Co-reduced/Co-free layered oxides with potential anodes

Luting Song,

Weiguo Chu

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2024

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Deciphering Cationic and Anionic Overoxidation: Key Insights into the Intrinsic Structural Degradation of Catalysts

Zheng,

Yang,

et al. 2024

Advanced Energy Materials

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Proton exchange membrane water electrolyzer (PEMWE) technology holds tremendous promise for large‐scale green hydrogen production. However, its widespread application faces significant constraints due to the limited lifespan of the oxygen evolution reaction (OER) catalyst in highly acidic and oxidative operating environments. Therefore, a comprehensive understanding of the catalyst's structural degradation mechanism is imperative for the rational design of high‐performance acidic catalysts. In this review, the essence of the structural degradation of catalysts: and irreversible cationic and anionic overoxidation is initially unveiled. This is followed by an in‐depth exploration of their intricate relationship with the adsorbate evolution mechanism (AEM) and lattice oxygen oxidation mechanism (LOM). Then, state‐of‐the‐art characterization techniques for cationic and anionic overoxidation analysis are introduced. Subsequently, 4 cutting‐edge catalyst antioxidation strategies, including heterostructure engineering, doping strategy, nanostructuring, and phase engineering are systematically discussed, aiming to reveal their intrinsic factors for effectively inhibiting catalyst overoxidation. Finally, the remaining challenges and prospective insights into catalysts for PEMWE are delineated. The overarching goal of this review is to facilitate a fundamental understanding of catalyst structural degradation mechanisms and provide principal guidelines for the rational design of robust acidic OER catalysts.

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Deciphering Cationic and Anionic Overoxidation: Key Insights into the Intrinsic Structural Degradation of Catalysts

Zheng,

Yang,

et al. 2024

Advanced Energy Materials

View full text Add to dashboard Cite

show abstract

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Electrodes for Li-ion batteries: From high-voltage LiCoO2 to Co-reduced/Co-free layered oxides with potential anodes

Cited by 1 publication

References 150 publications

Deciphering Cationic and Anionic Overoxidation: Key Insights into the Intrinsic Structural Degradation of Catalysts

Deciphering Cationic and Anionic Overoxidation: Key Insights into the Intrinsic Structural Degradation of Catalysts

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